David "Stupid Network" Isenberg has a new blog, and is cooking with it. He're's a nice debunking of the idea of price-discrimination in networks:
…service providers need to make their networks 'intelligent' so they can identify users and the applications used.
Just what I want — a network that identifies the application I'm using!
I can imagine
*** ERROR 4XX: UNAPPROVED APPLICATION ***
*** PERMISSION TO USE NETWORK DENIED ***
(via JoHo the Blog)